[geeks] Cheap Dell Servers

Sridhar Ayengar ploopster at gmail.com
Thu Feb 7 14:42:18 CST 2008


der Mouse wrote:
>>> One thing I'm still trying to work out is how to set the disklabel
>>> drive parameters for a RAID.  What is the RPM of a RAID?
>> for a simple stripe it should be easy.  rpm is rpm of individual
>> disks;
> 
> What if they're different?  Say, one component on a 5400rpm spindle and
> one on a 7200rpm spindle?

I will be using identical drives.  I'm buying them in lots.

>> but if your software and your drives support tagged command queueing
>> it's probably all moot.
> 
> Yeah, worrying about RPM makes about as much sense as worrying about
> c/h/s geometry does - "none", unless you're using fairly old disks.

I thought FFS relies on the disklabel parameters for avoiding fragmentation?

Peace...  Sridhar



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